Finding the Fourth Proportional to 181,638.72, 250,698.24 and 106,211.52

Step by Step Solution

1. Step 1: Write the proportion equation
   181,638.72 : 250,698.24 = 106,211.52 : x
2. Step 2: Convert to fraction form
   181,638.72/250,698.24 = 106,211.52/x
3. Step 3: Cross multiply
   181,638.72x = 250,698.24 × 106,211.52
4. Step 4: Simplify right side
   181,638.72x = 26,627,041,131.72
5. Step 5: Solve for x
   x = 26,627,041,131.72/181,638.72
6. Step 6: Final answer
   x = 146,593.42